fix(compiler): fix interpolation regexp

[wesleycho]

• Fix the interpolation regexp to match newline characters (i.e. \n and \r)

This fixes #6044.

[vicb]

From mdn

Note that the m multiline flag doesn't change the dot behavior. So to match a pattern across multiple lines, the character set [^] can be used (if you don't mean an old version of IE, of course), it will match any character including newlines.

May be the errors on Travis + SauceLabs are related ? https://travis-ci.org/angular/angular/jobs/98151942#L393

[wesleycho]

Hm, could be - perhaps I should change it to (?:.|[\n\r])*? instead?

Edit: Oh, how about [\s\S]*?

[vicb]

([.\r\n]*?) ?

[wesleycho]

. inside the character class only serves to match the literal ., and not as a wildcard - I subbed in [\s\S]*? since I remember that being an optimal solution that works for older versions of IE. I came across this SO answer, but it could potentially be out of date.

[mary-poppins]

Merging PR #6056 on behalf of @alexeagle to branch presubmit-alexeagle-pr-6056.

[mary-poppins]

Merging PR #6056 on behalf of @alexeagle to branch presubmit-alexeagle-pr-6056.

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